﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _001_public和private
{
    internal class Program
    {
        static void Main(string[] args)
        {
            Vector a = new Vector();
            a.SetX(-3);
            a.SetY(4.5f);
            a.SetZ(6.7f);
            Console.WriteLine(a.getX());
        }
    }
}
